Solution - Simplification or other simple results

Reformatting the input :

Changes made to your input should not affect the solution:

(1): "7.5" was replaced by "(75/10)". 2 more similar replacement(s)

Step  1  :

            15
 Simplify   ——
            2 

Equation at the end of step  1  :

    75    15           
  ((—— +  ——) +  3) +  3
    10    2            

Step  2  :

            15
 Simplify   ——
            2 

Equation at the end of step  2  :

    15    15           
  ((—— +  ——) +  3) +  3
    2     2            

Step  3  :

Adding fractions which have a common denominator :

 3.1       Adding fractions which have a common denominator
Combine the numerators together, put the sum or difference over the common denominator then reduce to lowest terms if possible:

 15 + 15     15
 ———————  =  ——
    2        1 

Equation at the end of step  3  :

   15          
  (—— +  3) +  3
   1           

Step  4  :

Final result :

  21